Compra aquest llibre
| Venedor | Preu | Puntuació del venedor |
|---|---|---|
| Psychology Press | Sense preu | |
| Amazon.com | Sense preu | |
| Barnes&Noble.com | Sense preu | |
| Books-A-Million | Sense preu | |
| IndieBound | Sense preu | |
| eBay - ihaveitusa | 36,67 USD | |
| AbeBooks.com | 35,33 USD | |
| SecondSale | 32,10 USD | |
| VitalSource | 14,83 USD | |
| Amazon | 8,62 USD | |
| eBay - worldofbooksusa | 7,34 USD | |
| World of Books | 10,00 USD |